Date
July 2, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.561462] ================================================================== [ 30.561614] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 30.561674] Write of size 1 at addr fff00000c6025f00 by task kunit_try_catch/177 [ 30.561753] [ 30.562203] CPU: 0 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 30.562349] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.562376] Hardware name: linux,dummy-virt (DT) [ 30.562437] Call trace: [ 30.562477] show_stack+0x20/0x38 (C) [ 30.562544] dump_stack_lvl+0x8c/0xd0 [ 30.562734] print_report+0x118/0x608 [ 30.562951] kasan_report+0xdc/0x128 [ 30.563013] __asan_report_store1_noabort+0x20/0x30 [ 30.563116] kmalloc_big_oob_right+0x2a4/0x2f0 [ 30.563185] kunit_try_run_case+0x170/0x3f0 [ 30.563242] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.563480] kthread+0x328/0x630 [ 30.563529] ret_from_fork+0x10/0x20 [ 30.563717] [ 30.563737] Allocated by task 177: [ 30.563765] kasan_save_stack+0x3c/0x68 [ 30.564061] kasan_save_track+0x20/0x40 [ 30.564108] kasan_save_alloc_info+0x40/0x58 [ 30.564145] __kasan_kmalloc+0xd4/0xd8 [ 30.564184] __kmalloc_cache_noprof+0x16c/0x3c0 [ 30.564222] kmalloc_big_oob_right+0xb8/0x2f0 [ 30.564260] kunit_try_run_case+0x170/0x3f0 [ 30.564299] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.564342] kthread+0x328/0x630 [ 30.564374] ret_from_fork+0x10/0x20 [ 30.564420] [ 30.564452] The buggy address belongs to the object at fff00000c6024000 [ 30.564452] which belongs to the cache kmalloc-8k of size 8192 [ 30.564520] The buggy address is located 0 bytes to the right of [ 30.564520] allocated 7936-byte region [fff00000c6024000, fff00000c6025f00) [ 30.564581] [ 30.564601] The buggy address belongs to the physical page: [ 30.564634] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106020 [ 30.564694] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 30.564755] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 30.564806] page_type: f5(slab) [ 30.564844] raw: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 30.564892] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 30.564963] head: 0bfffe0000000040 fff00000c0002280 dead000000000122 0000000000000000 [ 30.565045] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 30.565113] head: 0bfffe0000000003 ffffc1ffc3180801 00000000ffffffff 00000000ffffffff [ 30.565187] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 30.565258] page dumped because: kasan: bad access detected [ 30.565298] [ 30.565327] Memory state around the buggy address: [ 30.565367] fff00000c6025e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.565419] fff00000c6025e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.565471] >fff00000c6025f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.565508] ^ [ 30.565570] fff00000c6025f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.565627] fff00000c6026000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.565664] ==================================================================
[ 32.390428] ================================================================== [ 32.391166] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x2a4/0x2f0 [ 32.391230] Write of size 1 at addr fff00000c65bdf00 by task kunit_try_catch/175 [ 32.391279] [ 32.391338] CPU: 1 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 32.391595] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.391901] Hardware name: linux,dummy-virt (DT) [ 32.391937] Call trace: [ 32.391959] show_stack+0x20/0x38 (C) [ 32.392009] dump_stack_lvl+0x8c/0xd0 [ 32.392057] print_report+0x118/0x608 [ 32.392103] kasan_report+0xdc/0x128 [ 32.392170] __asan_report_store1_noabort+0x20/0x30 [ 32.392218] kmalloc_big_oob_right+0x2a4/0x2f0 [ 32.392265] kunit_try_run_case+0x170/0x3f0 [ 32.392314] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.392367] kthread+0x328/0x630 [ 32.392588] ret_from_fork+0x10/0x20 [ 32.392638] [ 32.392656] Allocated by task 175: [ 32.392684] kasan_save_stack+0x3c/0x68 [ 32.392844] kasan_save_track+0x20/0x40 [ 32.393093] kasan_save_alloc_info+0x40/0x58 [ 32.393146] __kasan_kmalloc+0xd4/0xd8 [ 32.393307] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.393377] kmalloc_big_oob_right+0xb8/0x2f0 [ 32.393420] kunit_try_run_case+0x170/0x3f0 [ 32.393646] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.393728] kthread+0x328/0x630 [ 32.393806] ret_from_fork+0x10/0x20 [ 32.393860] [ 32.393882] The buggy address belongs to the object at fff00000c65bc000 [ 32.393882] which belongs to the cache kmalloc-8k of size 8192 [ 32.393939] The buggy address is located 0 bytes to the right of [ 32.393939] allocated 7936-byte region [fff00000c65bc000, fff00000c65bdf00) [ 32.394153] [ 32.394187] The buggy address belongs to the physical page: [ 32.394219] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065b8 [ 32.394270] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.394445] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.394500] page_type: f5(slab) [ 32.394539] raw: 0bfffe0000000040 fff00000c0002280 dead000000000100 dead000000000122 [ 32.394765] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 32.394933] head: 0bfffe0000000040 fff00000c0002280 dead000000000100 dead000000000122 [ 32.395050] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 32.395098] head: 0bfffe0000000003 ffffc1ffc3196e01 00000000ffffffff 00000000ffffffff [ 32.395146] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 32.395197] page dumped because: kasan: bad access detected [ 32.395238] [ 32.395257] Memory state around the buggy address: [ 32.395287] fff00000c65bde00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.395467] fff00000c65bde80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.395550] >fff00000c65bdf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.395588] ^ [ 32.395641] fff00000c65bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.395681] fff00000c65be000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.395718] ==================================================================
[ 22.587908] ================================================================== [ 22.588384] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x316/0x370 [ 22.588667] Write of size 1 at addr ffff888102b9df00 by task kunit_try_catch/192 [ 22.589147] [ 22.589248] CPU: 0 UID: 0 PID: 192 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 22.589299] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.589324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.589346] Call Trace: [ 22.589361] <TASK> [ 22.589380] dump_stack_lvl+0x73/0xb0 [ 22.589413] print_report+0xd1/0x650 [ 22.589435] ? __virt_addr_valid+0x1db/0x2d0 [ 22.589460] ? kmalloc_big_oob_right+0x316/0x370 [ 22.589480] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.589515] ? kmalloc_big_oob_right+0x316/0x370 [ 22.589536] kasan_report+0x141/0x180 [ 22.589557] ? kmalloc_big_oob_right+0x316/0x370 [ 22.589583] __asan_report_store1_noabort+0x1b/0x30 [ 22.589606] kmalloc_big_oob_right+0x316/0x370 [ 22.589627] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 22.589649] ? __schedule+0x10cc/0x2b60 [ 22.589670] ? __pfx_read_tsc+0x10/0x10 [ 22.589692] ? ktime_get_ts64+0x86/0x230 [ 22.589717] kunit_try_run_case+0x1a5/0x480 [ 22.589751] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.589775] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.589797] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.589818] ? __kthread_parkme+0x82/0x180 [ 22.589839] ? preempt_count_sub+0x50/0x80 [ 22.589862] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.589886] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.590116] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.590141] kthread+0x337/0x6f0 [ 22.590160] ? trace_preempt_on+0x20/0xc0 [ 22.590185] ? __pfx_kthread+0x10/0x10 [ 22.590205] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.590228] ? calculate_sigpending+0x7b/0xa0 [ 22.590252] ? __pfx_kthread+0x10/0x10 [ 22.590273] ret_from_fork+0x116/0x1d0 [ 22.590291] ? __pfx_kthread+0x10/0x10 [ 22.590325] ret_from_fork_asm+0x1a/0x30 [ 22.590358] </TASK> [ 22.590370] [ 22.597468] Allocated by task 192: [ 22.597644] kasan_save_stack+0x45/0x70 [ 22.597836] kasan_save_track+0x18/0x40 [ 22.597968] kasan_save_alloc_info+0x3b/0x50 [ 22.598108] __kasan_kmalloc+0xb7/0xc0 [ 22.598246] __kmalloc_cache_noprof+0x189/0x420 [ 22.598474] kmalloc_big_oob_right+0xa9/0x370 [ 22.598782] kunit_try_run_case+0x1a5/0x480 [ 22.598989] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.599205] kthread+0x337/0x6f0 [ 22.599334] ret_from_fork+0x116/0x1d0 [ 22.599543] ret_from_fork_asm+0x1a/0x30 [ 22.599814] [ 22.599883] The buggy address belongs to the object at ffff888102b9c000 [ 22.599883] which belongs to the cache kmalloc-8k of size 8192 [ 22.600348] The buggy address is located 0 bytes to the right of [ 22.600348] allocated 7936-byte region [ffff888102b9c000, ffff888102b9df00) [ 22.601091] [ 22.601191] The buggy address belongs to the physical page: [ 22.601430] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b98 [ 22.601864] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 22.602087] flags: 0x200000000000040(head|node=0|zone=2) [ 22.602261] page_type: f5(slab) [ 22.602422] raw: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 22.602936] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 22.603277] head: 0200000000000040 ffff888100042280 dead000000000122 0000000000000000 [ 22.603592] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 22.603818] head: 0200000000000003 ffffea00040ae601 00000000ffffffff 00000000ffffffff [ 22.604406] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 22.604791] page dumped because: kasan: bad access detected [ 22.605016] [ 22.605081] Memory state around the buggy address: [ 22.605280] ffff888102b9de00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.605642] ffff888102b9de80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.605971] >ffff888102b9df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.606174] ^ [ 22.606282] ffff888102b9df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.606767] ffff888102b9e000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.607257] ==================================================================
[ 22.771118] ================================================================== [ 22.771632] BUG: KASAN: slab-out-of-bounds in kmalloc_big_oob_right+0x316/0x370 [ 22.771983] Write of size 1 at addr ffff888101f55f00 by task kunit_try_catch/193 [ 22.772525] [ 22.772644] CPU: 1 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 22.772699] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.772712] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.772734] Call Trace: [ 22.772750] <TASK> [ 22.772771] dump_stack_lvl+0x73/0xb0 [ 22.772804] print_report+0xd1/0x650 [ 22.772827] ? __virt_addr_valid+0x1db/0x2d0 [ 22.772852] ? kmalloc_big_oob_right+0x316/0x370 [ 22.772873] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.772899] ? kmalloc_big_oob_right+0x316/0x370 [ 22.772920] kasan_report+0x141/0x180 [ 22.772959] ? kmalloc_big_oob_right+0x316/0x370 [ 22.772985] __asan_report_store1_noabort+0x1b/0x30 [ 22.773008] kmalloc_big_oob_right+0x316/0x370 [ 22.773030] ? __pfx_kmalloc_big_oob_right+0x10/0x10 [ 22.773052] ? __schedule+0x10cc/0x2b60 [ 22.773086] ? __pfx_read_tsc+0x10/0x10 [ 22.773108] ? ktime_get_ts64+0x86/0x230 [ 22.773134] kunit_try_run_case+0x1a5/0x480 [ 22.773162] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.773184] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.773206] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.773227] ? __kthread_parkme+0x82/0x180 [ 22.773248] ? preempt_count_sub+0x50/0x80 [ 22.773272] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.773297] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.773320] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.773399] kthread+0x337/0x6f0 [ 22.773421] ? trace_preempt_on+0x20/0xc0 [ 22.773446] ? __pfx_kthread+0x10/0x10 [ 22.773466] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.773490] ? calculate_sigpending+0x7b/0xa0 [ 22.773514] ? __pfx_kthread+0x10/0x10 [ 22.773535] ret_from_fork+0x116/0x1d0 [ 22.773554] ? __pfx_kthread+0x10/0x10 [ 22.773574] ret_from_fork_asm+0x1a/0x30 [ 22.773605] </TASK> [ 22.773618] [ 22.783799] Allocated by task 193: [ 22.784261] kasan_save_stack+0x45/0x70 [ 22.784479] kasan_save_track+0x18/0x40 [ 22.784775] kasan_save_alloc_info+0x3b/0x50 [ 22.785121] __kasan_kmalloc+0xb7/0xc0 [ 22.785358] __kmalloc_cache_noprof+0x189/0x420 [ 22.785642] kmalloc_big_oob_right+0xa9/0x370 [ 22.786015] kunit_try_run_case+0x1a5/0x480 [ 22.786244] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.786496] kthread+0x337/0x6f0 [ 22.786910] ret_from_fork+0x116/0x1d0 [ 22.787311] ret_from_fork_asm+0x1a/0x30 [ 22.787883] [ 22.787970] The buggy address belongs to the object at ffff888101f54000 [ 22.787970] which belongs to the cache kmalloc-8k of size 8192 [ 22.788936] The buggy address is located 0 bytes to the right of [ 22.788936] allocated 7936-byte region [ffff888101f54000, ffff888101f55f00) [ 22.789731] [ 22.789818] The buggy address belongs to the physical page: [ 22.790327] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101f50 [ 22.790731] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 22.791223] flags: 0x200000000000040(head|node=0|zone=2) [ 22.791705] page_type: f5(slab) [ 22.791866] raw: 0200000000000040 ffff888100042280 dead000000000100 dead000000000122 [ 22.792509] raw: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 22.792853] head: 0200000000000040 ffff888100042280 dead000000000100 dead000000000122 [ 22.793298] head: 0000000000000000 0000000080020002 00000000f5000000 0000000000000000 [ 22.793647] head: 0200000000000003 ffffea000407d401 00000000ffffffff 00000000ffffffff [ 22.794005] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 22.794452] page dumped because: kasan: bad access detected [ 22.794673] [ 22.794767] Memory state around the buggy address: [ 22.795055] ffff888101f55e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.795601] ffff888101f55e80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.795965] >ffff888101f55f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.796298] ^ [ 22.796585] ffff888101f55f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.796936] ffff888101f56000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.797207] ==================================================================